★★★★★ 5
Top of the line high quality
Top of the line great filter
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
Sonfarrel/Martec TL Series Above Ground Replacement Cartridge - 100 Sq Ft (FC-1638)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Sonfarrel/Martec TL Series Above Ground Replacement Cartridge - 100 Sq Ft (FC-1638)Replacement filter cartridge for Sonfarrel Martec TL Series Above Ground swimming pool filter systems. Compatible Filter Systems Sonfarrel Martec TL Series Above Ground Specifications Type Filter Cartridge Filtration Area 100 sq ft Outside Top (OT) 2 15 16" Outside Bottom (OB) 2 15 16" Diameter 7 1 4" Length 21 9 16" Media Weight 4 oz MPN FC 1638 Brand Compatibility Sonfarrel Martec Cross References 19909, 2301750, 244 0100, 390744, 4900 194,
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 1119 reviews
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Product Reviews
★★★★★ 4
Good fit works well, once I figured installation
Does not show air flow direction
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
★★★★★ 5
Good product
Excellent product, fast delivery, good price. I would recommend this company.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Fits Honda clarity
Easy and correct fit for Honda clarity
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Works Great
I bought this filter for a friend that smokes in the car. Helps reduce the smell a lot. Just make sure it is installed in the right direction.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2025
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